fix(config): strip leading/trailing separators in normalize_wing_name

mempalace/config.py

@@ -37,8 +37,13 @@ def normalize_wing_name(name: str) -> str:
     The same rule is applied by ``init`` when persisting `topics_by_wing`
     and when writing `mempalace.yaml`, so the miner's lookup matches at
     mine time regardless of the source dirname.
+
+    Leading/trailing separators are stripped so a path-encoded dirname like
+    ``-home-user-proj`` yields ``home_user_proj`` rather than a leading-
+    underscore slug that ``sanitize_name`` (and thus the MCP write tools)
+    would reject.
     """
-    return name.lower().replace(" ", "_").replace("-", "_")
+    return name.lower().replace(" ", "_").replace("-", "_").strip("_")
 
 
 def sanitize_name(value: str, field_name: str = "name") -> str:

tests/test_config.py

@@ -136,6 +136,16 @@ def test_normalize_wing_name_mixed():
     assert normalize_wing_name("My-Cool App") == "my_cool_app"
 
 
+def test_normalize_wing_name_strips_leading_separator():
+    # Claude Code path-encoded project dirs begin with a separator; the slug
+    # must not start with "_" or sanitize_name / MCP writes would reject it.
+    assert normalize_wing_name("-home-user-linux-book") == "home_user_linux_book"
+
+
+def test_normalize_wing_name_strips_trailing_separator():
+    assert normalize_wing_name("project-") == "project"
+
+
 # --- sanitize_name ---